Complete and submit "Memorandum of Absence" form and specify status of your classes and other UNL commitments: http://comm.unl.edu/memorandum-absence. For international travel, work with Dept. Office well in advance.
Contact Department Office & Department Chair: email@example.com, firstname.lastname@example.org, email@example.com; 402 472 2069, 2070; Inform Course Director. Complete Memorandum of Absence form.